CN223160661U

CN223160661U - Polishing device for rigid contact net contact line

Info

Publication number: CN223160661U
Application number: CN202421946063.1U
Authority: CN
Inventors: 陈立强; 周瑾; 彭凯; 王娜; 贾海潮; 高宇恒; 张宁
Original assignee: Shantui Chutian Construction Machinery Co Ltd
Current assignee: Shantui Chutian Construction Machinery Co Ltd
Priority date: 2024-08-12
Filing date: 2024-08-12
Publication date: 2025-07-29
Anticipated expiration: 2034-08-12

Abstract

The utility model provides a grinding device for a contact line of a rigid contact network, and relates to the field of grinding contact lines of a rigid contact network. The scheme adopted is as follows: the grinding mechanism includes a grinding motor and a grinding wheel, the grinding motor is arranged on a support plate 1, the support plate 1 is an L-shaped structure, the support plate 1 is connected to the wing plate outside the movable seat through a guide column 1, the support plate 1 and the guide column 1 can move relative to each other, a follower spring 1 is vertically arranged between the support plate 1 and the movable seat, a set of follower springs is arranged on the guide column 1, the upper end of the guide column 1 passes through the support plate 1 and is provided with a limiting nut 1, a straight hole groove 1 is vertically provided at the corresponding position of the movable seat, the motor shaft of the grinding motor extends into the straight hole groove 1 and is connected to the grinding wheel, and the axis of the grinding wheel is perpendicular to the forward direction of the movable seat. The grinding mechanism of the utility model can float with the change of the contact line diameter, greatly avoiding deformation caused by bearing a large load.

Description

Polishing device for rigid contact net contact line

Technical Field

The utility model relates to the field of polishing of contact wires of a rigid contact net, in particular to a polishing device for the contact wires of the rigid contact net.

Background

In the train operation process, especially in the acceleration section, the vehicle can accelerate the swing, and the pantograph vibrates, and the current is very big between the pantograph net, leads to the contact line of rigidity contact net to rise the temperature and appears softening the phenomenon, can cause contact line and pantograph wearing and tearing to accelerate for its surface is unsmooth, and in order to avoid causing negative influence to the electric motor car operation, need polish the contact line, guarantees its surface smoothness, thereby reduces the jumping connection between train pantograph and the contact line, guarantees the stable transmission of electric power.

In the prior art, the Chinese patent of the utility model with the authority of the publication number CN 208601227U discloses a contact line polisher of a rigid contact net, which comprises a rack, a travelling mechanism and a polishing mechanism, wherein the travelling mechanism and the polishing mechanism are respectively arranged on the rack, the polishing mechanism comprises a polishing motor and polishing wheels which are driven to rotate by the polishing motor, the travelling mechanism comprises four pairs of travelling wheels arranged at four corners of the rack, a controller controls a telescopic rod of the telescopic motor to extend up and down so as to adjust the heights of the polishing wheels and the polishing motor, fine adjustment of the polishing degree of the contact line is realized, and the polishing precision and efficiency are improved.

In the above technical scheme, the telescopic link through the telescopic motor adjusts the wheel height of polishing, because the length of telescopic link does not change in the process of polishing, causes the rigid connection of motor and frame of polishing, but because the contact line surface is uneven, radial dimension changes greatly, and the wheel of polishing is the suspension arrangement in addition, and the effort of contact line to grinding machanism is born by the output shaft and the telescopic link of motor of polishing basically, and motor shaft and telescopic link take place to warp very easily, appear great deflection when polishing round, influence the life of polishing precision and polisher.

Disclosure of utility model

In order to solve the technical problem that the polishing precision and the service life are affected by deformation caused by the influence of the contact line on the polishing mechanism in the prior art, the utility model provides the polishing device for the rigid contact line, which can enable the polishing mechanism to float along with the change of the diameter of the contact line, and greatly avoid deformation caused by bearing a larger load.

The technical scheme includes that the polishing device for the contact line of the rigid contact net comprises a movable seat and a polishing mechanism, wherein the polishing mechanism comprises a polishing motor and a polishing wheel, the polishing motor is arranged on a supporting plate I, the supporting plate I is of an L-shaped structure, the supporting plate I is connected with a wing plate on the outer side of the movable seat through a guide post I, the supporting plate I and the guide post I can move relatively, a follow-up spring I is vertically arranged between the supporting plate I and the movable seat, the follow-up spring I is sleeved on the guide post I, the upper end of the guide post I penetrates through the supporting plate I and is provided with a limit nut I, a straight hole groove I is vertically arranged at the corresponding position of the movable seat, a motor shaft of the polishing motor stretches into the straight hole groove I to be connected with the polishing wheel, and the axis of the polishing wheel is perpendicular to the advancing direction of the movable seat.

According to the utility model, the polishing mechanism is in floating connection with the movable seat through the first follow-up spring, so that the polishing mechanism can be lifted under the action of the contact line, the polishing wheel is prevented from bearing a larger load, the motor shaft is prevented from deforming, the polishing precision and the service life of the polishing device are ensured, meanwhile, the polishing mechanism is in floating connection, the close contact with the contact line can be always ensured, the close contact is not required to be realized by adjusting a larger polishing amount in the prior art, the excessive polishing of the contact line is avoided, and the service life of the contact line is prolonged.

Further, the movable seat comprises a traveling mechanism, wherein the traveling mechanism comprises a traveling motor and a driving wheel, the driving wheel can move along the busbar, and the traveling motor and the polishing motor are oppositely arranged outside the movable seat.

According to the utility model, the walking motor and the polishing motor are symmetrically arranged, so that the polishing device is ensured to be balanced in stress and not to be inclined after being arranged on the busbar, and the polishing precision is ensured.

Further, running gear still includes the backup pad two, the backup pad two is L type structure, the backup pad two with remove the corresponding outside pterygoid lamina of seat side and pass through guide post two and be connected, the backup pad two with guide post two can relative movement, guide post two upper ends run through the backup pad two just are provided with stop nut two, the guide post overcoat is equipped with follower spring two, follower spring two's both ends respectively with backup pad two and corresponding pterygoid lamina butt, remove seat relevant position and be provided with straight hole groove two, the motor shaft of walking motor stretches into straight hole groove two with the drive wheel is connected.

According to the utility model, the travelling mechanism is in floating connection with the movable seat through the second follow-up spring, so that the arc change of the busbar can be adapted, the driving wheel and the busbar are always in a compressed state, the driving wheel is prevented from slipping, and the polishing device can stably advance.

Further, running gear still includes locating component, locating component includes the articulated wheelset of relative setting, articulated wheelset includes two articulated wheels of controlling relative setting, articulated wheel sets up remove inside the seat, articulated wheel pass through the telescopic shaft with remove seat rotatable coupling, articulated wheel can follow the busbar and follow the upper surface and remove.

According to the utility model, the hanging wheels are arranged, so that the polishing device can be mounted on the busbar, and the polishing device is ensured to move along the busbar.

Further, running gear still includes the location wheelset, the location wheelset includes two location wheels of controlling relative setting, the location wheel rotationally sets up inside the movable seat, the location wheel outer circumference is provided with the bulge, the bulge can follow recess shape cooperation with the busbar.

According to the utility model, the positioning wheels with the protruding parts can ensure that the relative positions of the polishing device and the busbar in the left-right direction are not changed, and the polishing device is not derailed.

Further, the two positioning wheels are arranged on the same rotating shaft, and the rotating shaft is rotatably arranged inside the movable seat in a penetrating mode.

Furthermore, the hanging wheel set and the positioning wheel set are both provided with two groups.

Further, the outer circumference of the driving wheel is provided with a protruding part which can be matched with the lower edge groove of the busbar in a shape.

From the above technical scheme, the utility model has the following advantages:

the utility model provides a polishing device for a rigid contact net contact line, which is characterized in that a polishing mechanism and a movable seat are in floating connection through a first follow-up spring, so that the polishing mechanism can be lifted under the action of the contact line, a polishing wheel is prevented from bearing a larger load, a motor shaft is prevented from deforming, polishing precision and the service life of the polishing device are guaranteed, meanwhile, the polishing mechanism is in floating connection, the polishing device can always be guaranteed to be in close contact with the contact line, the close contact is not needed to be realized by adjusting a larger polishing amount in the prior art, excessive polishing of the contact line is avoided, the service life of the contact line is prolonged, a walking motor and the polishing motor are symmetrically arranged, the polishing device is guaranteed to be balanced and not to be askew due to stress after being installed on a bus bar, polishing precision is guaranteed, the walking mechanism and the movable seat are in floating connection through a second follow-up spring, the driving wheel and the bus bar are guaranteed to be always in a compact state, the polishing device is guaranteed to be in a stable advance, the polishing device can be installed on the bus bar through the hanging wheel, the polishing device is guaranteed to move along the bus bar, and the polishing device is guaranteed to be in a relative non-slip state with the left and right direction of the bus bar is guaranteed to be guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a specific embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a second embodiment of the present utility model.

Fig. 3 is a schematic diagram of a third embodiment of the present utility model.

Fig. 4 is a schematic diagram illustrating an assembly structure of a bus bar and an embodiment of the present utility model.

Fig. 5 is a schematic diagram showing an assembly structure of a bus bar and an embodiment of the present utility model.

In the figure, 1, a polishing motor, 2, a first supporting plate, 3, a first guide post, 4, a controller, 5, a rechargeable battery, 6, a hanging wheel, 7, a positioning wheel, 8, a polishing wheel, 9, a driving wheel, 10, a rotating shaft, 11, a walking motor, 12, a second follow-up spring, 13, a first follow-up spring, 14, a busbar, 15, a contact line, 16, a mounting plate, 17, a wing plate, 18, a straight hole groove I, 19, a straight hole groove II, 20, a second supporting plate, 21 and a second guide post.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

As shown in fig. 1 to 5, this embodiment provides a polishing device for a rigid contact net contact line 15, including moving the seat, still include polishing mechanism, polishing mechanism includes polishing motor 1 and polishing wheel 8, polishing motor 1 sets up on backup pad one 2, backup pad one 2 is L type structure, backup pad one 2 is connected with the pterygoid lamina 17 in the outside of moving the seat through guide post one 3, backup pad one 2 and guide post one 3 can relative movement, vertically be provided with follower spring one 13 between backup pad one 2 and the moving seat, follower spring one 13 cover is established on guide post one 3, guide post one 3 upper end runs through backup pad one 2 and is provided with stop nut one, move seat relevant position vertically and be provided with straight hole groove one 18, polishing motor 1's motor shaft stretches into straight hole groove one 18 and is connected with polishing wheel 8, the axis of polishing wheel 8 is perpendicular with the direction of advancing of moving the seat.

According to the embodiment, the polishing mechanism is in floating connection with the movable seat through the first follow-up spring 13, so that the polishing mechanism can be lifted under the action of the contact line 15, the polishing wheel 8 is prevented from bearing a large load, a motor shaft is deformed, polishing precision is guaranteed, the service life of the polishing device is guaranteed, meanwhile, the polishing mechanism is in floating connection, close contact with the contact line 15 can be always guaranteed, close contact is not needed to be achieved by adjusting a large polishing amount in the prior art, and excessive polishing of the contact line 15 is avoided.

As shown in fig. 4 to 5, this embodiment further includes running gear, and running gear includes running motor 11 and drive wheel 9, and drive wheel 9 can follow busbar 14 down along removing, and running motor 11 and grinding motor 1 set up in the removal seat outside relatively, through setting up running motor 11 and grinding motor 1 symmetry, guarantee that this grinding device is balanced not crooked of atress after installing on busbar 14, guarantee the precision of polishing.

As shown in fig. 2, fig. 4 and fig. 5, because there is a certain radian in the busbar 14, in order to ensure that the driving wheel 9 always contacts with the lower edge of the busbar 14 to generate enough friction force to avoid slipping, in this specific embodiment, the travelling mechanism further includes a second support plate 20, the second support plate 20 is in an L-shaped structure, the second support plate 20 is connected with a wing plate 17 outside the corresponding side of the moving seat through a second guide post 21, the second support plate 20 and the second guide post 21 can move relatively, the upper end of the second guide post 21 penetrates through the second support plate and is provided with a second limit nut, a second follow-up spring 12 is sleeved outside the second guide post 21, two ends of the second follow-up spring 12 respectively abut against the second support plate 20 and the corresponding wing plate 17, a second straight hole groove 19 is arranged at the corresponding position of the moving seat, and a motor shaft of the travelling motor 11 stretches into the second straight hole groove 19 to be connected with the driving wheel 9.

As shown in fig. 1 and 5, in order to ensure that the polishing device is mounted on the bus bar 14, the travelling mechanism further comprises a positioning assembly, the positioning assembly comprises a hooking wheel set which is arranged oppositely, the hooking wheel set comprises two hooking wheels 6 which are arranged oppositely left and right, the hooking wheels 6 are arranged inside a movable seat, the hooking wheels 6 are rotatably connected with the movable seat through telescopic shafts, the telescopic shafts are rotatably connected with the movable seat through bearings, the hooking wheels 6 can move along the lower edge upper surface of the bus bar 14, during mounting, firstly, the telescopic shafts are retracted, the telescopic shafts are mounted from the lower direction of the bus bar 14, and after the telescopic shafts are pulled in place, the distance between the two hooking wheels 6 is adjusted, so that the hooking wheels 6 lean against two sides of a web plate of the bus bar 14.

As shown in fig. 1 and 5, in order to prevent the polishing device from shaking left and right under the action of the contact line 15 and having derailment risk, in this embodiment, the running mechanism further includes a positioning wheel set, the positioning wheel set includes two positioning wheels 7 disposed opposite left and right, the positioning wheels 7 are rotatably disposed inside the movable seat, the outer circumference of the positioning wheels 7 is provided with a protruding portion capable of being matched with the lower edge of the busbar 14 in a shape of a groove, the two positioning wheels 7 are disposed on the same rotating shaft 10, the rotating shaft 10 is rotatably disposed inside the movable seat in a penetrating manner through a bearing, preferably, the outer circumference of the driving wheel 9 is also provided with a protruding portion capable of being matched with the lower edge of the busbar 14 in a shape of a groove.

In this embodiment, both the hitching wheelset and the locating wheelset are provided with two sets.

As shown in fig. 1 and 4, in this embodiment, two mounting holes are symmetrically formed in the first support plate 2 and the second support plate 20, two follower springs 13 and two guide posts 3 are correspondingly formed in the first support plate and the second support plate, two follower springs 12 and two guide posts 21 are correspondingly formed in the second support plate, the movable seat comprises two mounting plates 16 which are oppositely arranged, wing plates 17 are horizontally arranged at the lower portions of the outer sides of the mounting plates 16, the two mounting plates 16 are connected through a rotating shaft 10 of a positioning wheel set, a controller 4 and a rechargeable battery 5 are arranged on the mounting plates 16, and the controller 4 is electrically connected with the walking motor 11 and the polishing motor 1.

Before using, the compression degree of the first follow-up spring 13 is set through the first rotary limiting nut according to the concave-convex degree of the contact line 15, the whole polishing process is guaranteed, the polishing wheel 8 is in close contact with the contact line 15, the compression degree of the second follow-up spring 12 is set through the second rotary limiting nut according to the radian condition of the bus bar 14, the whole polishing process is guaranteed, and the driving wheel 9 is in close contact with the lower surface of the lower edge of the bus bar 14.

From the above detailed description, it can be seen that the present utility model has the following advantages:

1. The polishing mechanism is in floating connection with the movable seat through the first follow-up spring 13, so that the polishing mechanism can be lifted under the action of the contact line 15, the polishing wheel 8 is prevented from bearing a larger load, the motor shaft is deformed, the polishing precision and the service life of the polishing device are ensured;

2. The walking motor 11 and the polishing motor 1 are symmetrically arranged, so that the polishing device is ensured to be balanced in stress and not to be askew after being arranged on the busbar 14, and the polishing precision is ensured;

3. The travelling mechanism is in floating connection with the movable seat through the second follow-up spring 12, so that the radian change of the busbar 14 can be adapted, the driving wheel 9 and the busbar 14 are always in a compressed state, the driving wheel 9 is prevented from slipping, and the polishing device can stably advance;

4. The hanging wheel 6 is arranged, so that the polishing device can be mounted on the busbar 14, and the polishing device is ensured to move along the busbar 14;

5. The relative positions of the polishing device and the busbar 14 in the left-right direction can be prevented from being changed by arranging the positioning wheels 7 of the protruding parts, so that the polishing device is prevented from derailing.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a grinding device for rigid contact net contact line, includes the movable seat, its characterized in that, still includes grinding machanism, grinding machanism includes grinding motor (1) and grinding wheel (8), grinding motor (1) set up on backup pad one (2), backup pad one (2) are L type structure, backup pad one (2) through guide post one (3) with the pterygoid lamina (17) in the movable seat outside are connected, backup pad one (2) with guide post one (3) can relative movement, backup pad one (2) with vertically be provided with between the movable seat follow-up spring one (13), follow-up spring one (13) cover is established on guide post one (3), guide post one (3) upper end runs through backup pad one (2) and is provided with stop nut one, the vertical straight hole groove one (18) that is provided with in movable seat relevant position, stretch into of grinding motor shaft motor one (1) straight hole groove one (18) with grinding wheel (8) are connected, the axis of grinding wheel (8) is perpendicular with the direction of advance of movable seat.

2. Grinding device for rigid contact lines according to claim 1, characterized in that it further comprises a running gear comprising a running motor (11) and a driving wheel (9), said driving wheel (9) being movable along the busbar, said running motor (11) being arranged outside said mobile seat opposite to said grinding motor (1).

3. Grinding device for rigid contact line according to claim 2, characterized in that the travelling mechanism further comprises a second support plate (20), the second support plate (20) is of an L-shaped structure, the second support plate (20) is connected with a wing plate (17) on the outer side of the corresponding side of the movable seat through a second guide post (21), the second support plate (20) and the second guide post (21) can move relatively, the upper end of the second guide post (21) penetrates through the second support plate (20) and is provided with a second limit nut, a second follow-up spring (12) is sleeved outside the second guide post (21), two ends of the second follow-up spring (12) are respectively abutted with the second support plate (20) and the corresponding wing plate (17), a second straight hole groove (19) is arranged at the corresponding position of the movable seat, and a motor shaft of the travelling motor (11) stretches into the second straight hole groove (19) to be connected with the driving wheel (9).

4. A grinding device for a contact line of a rigid contact line according to claim 3, wherein the travelling mechanism further comprises a hooking wheel group, the hooking wheel group comprises two hooking wheels (6) which are oppositely arranged left and right, the hooking wheels (6) are arranged inside the movable seat, the hooking wheels (6) are rotatably connected with the movable seat through a telescopic shaft, and the hooking wheels (6) can move along the upper surface of the lower edge of the busbar.

5. A grinding device for rigid contact lines according to claim 4, wherein the travelling mechanism further comprises a positioning wheel set, the positioning wheel set comprises two positioning wheels (7) which are oppositely arranged left and right, the positioning wheels (7) are rotatably arranged inside the movable seat, the outer circumference of the positioning wheels (7) is provided with a protruding part, and the protruding part can be matched with the shape of the lower edge groove of the busbar.

6. Grinding device for rigid contact lines according to claim 5, characterized in that two of said positioning wheels (7) are arranged on the same rotation shaft (10), said rotation shaft (10) being rotatably arranged inside said mobile seat.

7. Grinding device for rigid contact lines according to claim 5, characterized in that the set of hitching wheels (6) and the set of positioning wheels are provided with two sets.

8. Grinding device for rigid contact lines according to claim 4, characterized in that the outer circumference of the driving wheel (9) is provided with a projection which can form-fit with the lower edge groove of the busbar.